[coverage] Block coverage with support for IfStatements

test/unittests/interpreter/bytecode-array-builder-unittest.cc

Index: test/unittests/interpreter/bytecode-array-builder-unittest.cc
diff --git a/test/unittests/interpreter/bytecode-array-builder-unittest.cc b/test/unittests/interpreter/bytecode-array-builder-unittest.cc
index a9307fbed07de575e73b38d6936f0fa6bc5c729d..036af600c67df4a748c040ca64f3e013fc1038ca 100644
--- a/test/unittests/interpreter/bytecode-array-builder-unittest.cc
+++ b/test/unittests/interpreter/bytecode-array-builder-unittest.cc
@@ -371,6 +371,13 @@ TEST_F(BytecodeArrayBuilderTest, AllBytecodesGenerated) {
     builder.Debugger();
   }
 
+  // Emit block counter increments.
+  {
+    SaveFlags save_flags;
+    FLAG_block_coverage = true;  // Satisfy DCHECKs.

[Michael Starzinger, 2017/06/06 11:49:32]

suggestion: We could also just remove the DCHECKs in the BytecodeArrayBuilder. I
think those we could live without.

[rmcilroy, 2017/06/06 13:02:32]

+1

[jgruber, 2017/06/06 14:52:46]

Done.

+    builder.IncBlockCounter(0);
+  }
+
   // Bind labels for long jumps at the very end.
   for (size_t i = 0; i < arraysize(end); i++) {
     builder.Bind(&end[i]);